XML 100 R90.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Note 12 - Commitments and Contingent Liabilities (Details Textual) - USD ($) | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2022 | Mar. 07, 2022 | Dec. 31, 2021
Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) | $ 800,000 |  |
Standby Letters of Credit [Member] | Minimum [Member] |  |  |
Guarantee Obligations, Agreement Term (Month) | 1 month |  |
Standby Letters of Credit [Member] | Maximum [Member] |  |  |
Guarantee Obligations, Agreement Term (Month) | 2 months |  |
Performance Guarantee [Member] |  |  |
Guarantee Obligation, Estimated Payment Under Default on Contract | $ 3,000,000 |  |
Commonwealth [Member] |  |  |
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance |  | $ 500,000 |
Other Liabilities [Member] |  |  |
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance | $ 4,800,000 |  | $ 3,500,000

X
- Definition Represents the amount that the entity would have been required to pay, if an event of default on all contracts had occurred. + References No definition available. + Details
Name: | sybt_GuaranteeObligationEstimatedPaymentUnderDefaultOnContract
Namespace Prefix: | sybt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the term of agreements entered into by the entity for undertaking guarantee obligation. + References No definition available. + Details
Name: | sybt_GuaranteeObligationsAgreementTerm
Namespace Prefix: | sybt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121611286&loc=d3e11927-110247 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82919202-210446 + Details
Name: | us-gaap_OffBalanceSheetCreditLossLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of expense (reversal of expense) for expected credit loss for off-balance sheet credit exposure. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
Name: | us-gaap_OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=us-gaap_StandbyLettersOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=us-gaap_PerformanceGuaranteeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=sybt_CommonwealthMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |